population size

基本解释

• 人口规模；人口数量；群体大小

英汉例句

双语例句

• But this was largely a reflection of population size.
  但这更多是一个人口数量的反应。
• But this is how the countries of the world look if maps are based on population size rather than land mass.
  然而，如果地图是根据人口规模，而不是以领土面积绘制而成的，世界各国看起来就是这副模样。
• Control villages resembling project villages in terms of population size were randomly selected from an area enclosed by two ellipses centred around, but not including, the project area.
  从由两个椭圆围绕封闭而成的区域中随机抽取与项目村庄拥有类似人口规模的对照村庄，但不包括项目区域。

原声例句

• While representation in the House is based on population size, all states are equally represented in the Senate.
• So in a town that's the size of new Haven with a population of let's say 100,000 people in just the immediate New Haven area, there might be 20 of these instances of very severe form of polio per year, 20 crippled children would result.
  在一个像纽黑文这么大的城市里,大约有十万人口,生活在纽黑文地区的人当中,每年可能就会有二十人,感染到这种急性传染病,可能会导致二十个孩子残疾
  耶鲁公开课 - 生物医学工程探索课程节选
• The representatives are divided among the fifty states based on population size.

权威例句

• Instead the study emphasizes that population size, not compactness, is the decisive factor.
  FORBES: Megacities And The Density Delusion: Why More People Doesn't Equal More Wealth

• population size更多例句

词组短语

短语

• population -size restriction 群落大小限制
• population effective size 群体有效含量
• modular population for size structure 构件种群大小结构
• fish population size 鱼类族群量
• genetically effective population size 遗传有效种群大小

• population size更多词组

专业释义

生物学

• 种群数量
• 种群大小
• 种群规模

  The population size is tending to decline which signified M. amoena species is in danger.3.
  种群规模变小是物种趋向濒危的特征之一。

• 居群大小
• 群体大小

农业科学

• 群体大小

  The results showed that the basic seedling,tiller number before winter,total tiller number and the population size all increased as planting density increased in ridge film mulching planting.
  结果表明,垄沟覆膜栽培下,适当提高播种量可以增加冬小麦基本苗数、冬前分蘖数、总分蘖数及群体大小。

• 群体规模

  Decrease of population size resulted in genetic drift,and weakened the adaption of population,then evolution capacity declined,which lead to be endangerous.14 Endangered A ziyuanensis was caused by the interaction of interior and exterior factors.
  群体规模的不断缩小必然会导致遗传漂变,种群的适应能力变差,进化潜力衰弱,处于极度濒危状态。

• 种群数量

  In China, they have been killed at large scale and the population size has decreased dramatically.
  近年来,棕果蝠在国内被大范围捕杀,造成其种群数量急剧下降。

• 资源量

  We studied the age and growth characteristics, estimated the annual population size and built Beverton-Holt model.
  研究了鲇鱼山水库翘嘴鲌的年龄和生长特性，估算了翘嘴鲌的年资源量，并建立了B-H种群管理模型。

  计算机科学技术

• 群体规模

  The original parameters such as population size,crossover probability and mutation probability values are based on the experience values.
  原先的参数如群体规模、交叉概率、变异概率等都是在经验值的基础上设置的。

  经济学

• 人口规模

  The Netherlands was a small country which had a large gap compared to France in the population size, land area and the preliminary development basis.
  荷兰本是一个小国,其与同时期的法国相比,在人口规模、领土面积和前期发展基础上是有较大差距。

  自然科学

• 种群规模

  The experiments show that the proposed genetic algorithm has better performance than the Genetic Algorithm with Varying Population Size.
  实验数据表明,该算法比变种群规模遗传算法具有更好的性能。

  地球科学

• 人口规模

  Study of population size hierarchy is the groundwork of the city planning. It is important to the population forecast of cities and urban system planning.
  城市规模分布研究是城市规划中的一项基础性研究工作,对准确预测城市人口规模以及合理确定城镇体系结构具有非常重要的意义。

• 人口总数